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Green circuit board M.2 2280 SSD with black controller and silver NAND chips

Patriot Memory

Patriot Memory P400VP1TBM28H 1TB M.2 2280 PCIe 4.0 x4 internal SSD

SKU CH-4EG0-T1WJ9 MPN P400VP1TBM28H

A 1 TB M.2 2280 NVMe drive using PCIe 4.0 x4 with sequential reads up to 6000 MBps and writes up to 5000 MBps

  • Total capacity1 TB
  • Sequential read speedUp to 6,000 MB/s
  • Sequential write speedUp to 5,000 MB/s
  • Interface typePCI-Express 4.0 x4
  • Form factorM.2 2280
  • Intended useConsumer

Capacity P400 V4 Gen 4

Speed 1TB 6,000MB/s

  • Up to 6000 MB/s read speed loads games and apps fast
  • Up to 5000 MB/s write speed saves large files quickly
  • PCIe 4.0 x4 interface unlocks full NVMe 2.0 bandwidth
  • Graphene heatshield keeps temperatures low during heavy workloads
  • DRAM-less design with HMB support reduces cost without sacrificing responsiveness

Capacity and interface

This Patriot P400 V4 is a 1TB M.2 2280 solid-state drive that connects through a PCIe 4.0 x4 lane. It is built for consumer desktops and laptops that need fast storage without a 2.5-inch bay. The NVMe 2.0 protocol keeps command overhead low.

Performance headroom

Sequential reads reach up to 6000 MBps and writes up to 5000 MBps, so large file transfers and game loads finish quickly. The drive has no DRAM cache and relies on Host Memory Buffer instead, which saves power but can limit sustained write bursts once the SLC buffer fills.

Build integration

The single-sided M.2 2280 form factor fits slim notebooks and compact motherboards. A graphene heatshield and an embedded thermal sensor manage heat between 0 and 70°C without a bulky metal sink. SmartECC technology protects data integrity during heavy workloads.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $132.99
Cheaper than about 63% of the 1,994 comparable items (median $180.49).
Total capacity 1 TB
Typical for this category: the median of 1,368 items is 1 TB.
Sequential read speed Up to 6,000 MB/s
Higher than about 75% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $132.99 per TB
Cheaper than about 66% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand namePatriot
Product lineP400 V4
Model nameP400VP1TBM28H
Part numberP400VP1TBM28H
Total capacity1 TB
Intended useConsumer
Performance
Sequential read speedUp to 6,000 MB/s
Sequential write speedUp to 5,000 MB/s
Storage
Cache memoryNo DRAM (HMB)
Connectivity
Connection protocolNVMe 2.0
Ports & slots
Interface typePCI-Express 4.0 x4
Size & build
Form factorM.2 2280
Heat sinkWithout HeatSink
Shipping weight0.02 kg
Package size140 × 102 × 4 mm

Other versions of this model

5 more in the same range

Questions about this item

Does this drive fit a standard M.2 2280 slot without a heatsink?

Yes, it uses the M.2 2280 form factor and ships without a heatsink, so it fits standard motherboard or laptop slots directly.

Will it run at full speed on a PCIe 3.0 motherboard?

It is a PCIe 4.0 x4 NVMe 2.0 drive; on a PCIe 3.0 slot it will operate at PCIe 3.0 speeds instead of the rated 6000 MBps read and 5000 MBps write.

Does the drive need DRAM cache for everyday workloads?

It has no DRAM but supports Host Memory Buffer, which uses a portion of system RAM to maintain responsive performance for typical consumer tasks.

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